{"id":1360,"date":"2023-02-10T10:27:15","date_gmt":"2023-02-10T02:27:15","guid":{"rendered":"https:\/\/usei.cn\/?p=1360"},"modified":"2025-06-05T10:26:38","modified_gmt":"2025-06-05T02:26:38","slug":"vue-%e4%ba%8b%e4%bb%b6%e6%80%bb%e7%ba%bf","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2023\/02\/10\/vue-%e4%ba%8b%e4%bb%b6%e6%80%bb%e7%ba%bf\/","title":{"rendered":"vue \u4e8b\u4ef6\u603b\u7ebf"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">\u4ec0\u4e48\u662f\u4e8b\u4ef6\u603b\u7ebf<\/h3>\n\n\n\n<p>\u6211\u4eec\u4e4b\u524d\u7684\u65f6\u5019\u7ecf\u5e38\u6027\u662f\u9700\u8981\u4e24\u4e2a\u9694\u7740\u8001\u8fdc\u7684\u7ec4\u4ef6\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u8fd9\u4e2a\u8981\u662f\u4e00\u5c42\u5c42\u7684\u4f20\u9012\u4e0b\u53bb\u901a\u4fe1\u9ebb\u70e6\u3002\u5982\u5373\u65f6\u901a\u8baf\uff0c\u4ed6\u5728\u6bcf\u4e00\u4e2a\u5b50\u9875\u9762\u90fd\u8981\u505a\u6210\u53cd\u5e94\u3002<\/p>\n\n\n\n<p>\u539f\u7406\u5982\u4e0b\uff1a\u5728vue\u52a0\u8f7d\u7684\u65f6\u5019\u8bbe\u7acb\u4e00\u4e2a\u516c\u5171\u7684\u5b9e\u4f8b\u7c7b\u578b\uff0c\u6211\u4eec\u7684\u7ec4\u4ef6\u53ef\u4ee5\u5728\u8fd9\u4e2a\u5168\u5c40\u7684\u5b9e\u4f8b\u5bf9\u8c61\u7684\u539f\u578b\u4e0a\u6dfb\u52a0\u4e00\u4e2a\u51fd\u6570\uff0c\u7b49\u5176\u4ed6\u7ec4\u4ef6\u8c03\u7528\u7684\u65f6\u5019\u518d\u56de\u8c03\u56de\u6765\u7528\u8fd9\u79cd\u65b9\u6cd5\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5728\u5168\u5c40\u4e8b\u4ef6\u603b\u7ebf\u4e2d\uff0cX\u9700\u8981\u6ee1\u8db3\u7684\u6761\u4ef6\uff1a<\/h3>\n\n\n\n<p> 1.\u6240\u6709\u7684\u7ec4\u4ef6\u90fd\u53ef\u4ee5\u770b\u89c1X <\/p>\n\n\n\n<p>2.X\u80fd\u591f\u8c03\u7528$on() $off() $emit()<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. $on() $off() $emit() \u5b58\u653e\u4f4d\u7f6e<\/h2>\n\n\n\n<p><code>$on() $off() $emit()<\/code>\u4e09\u4e2a\u65b9\u6cd5\u88ab\u6302\u8f7d\u5728Vue\u7684\u539f\u578b\u5bf9\u8c61\u4e0a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>new Vue({\n\t......\n\tbeforeCreate() {\n\t\tVue.prototype.$bus = this \/\/\u5b89\u88c5\u5168\u5c40\u4e8b\u4ef6\u603b\u7ebf\uff0c$bus\u5c31\u662f\u5f53\u524d\u5e94\u7528\u7684vm\n\t},\n    ......\n}) <\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>Vue.prototype.$bus = this\nVue.prototype.$bus = new Vue();\n\/\/ uni app\nVue.prototype.$bus = uni<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">3.\u4e8b\u4ef6\u8c03\u7528<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u6ce8\u518c\u4e8b\u4ef6\n this.$bus.$on('xxxx',this.demo)\n\/\/ \u53d6\u6d88\u4e8b\u4ef6\n this.$bus.$off('xxxx',this.demo)\n\/\/ \u89e6\u53d1\u4e8b\u4ef6\n this.$bus.$emit('xxxx',this.demo)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">vue mitt \u5e93<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u4e8b\u4ef6\u603b\u7ebf \u6211\u4eec\u4e4b\u524d\u7684\u65f6\u5019\u7ecf\u5e38\u6027\u662f\u9700\u8981\u4e24\u4e2a\u9694\u7740\u8001\u8fdc\u7684\u7ec4\u4ef6\u4e4b\u95f4\u7684\u901a\u4fe1\uff0c\u8fd9\u4e2a\u8981\u662f\u4e00\u5c42\u5c42\u7684\u4f20\u9012\u4e0b\u53bb\u901a\u4fe1\u9ebb\u70e6\u3002\u5982\u5373 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1360","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/1360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1360"}],"version-history":[{"count":12,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/1360\/revisions"}],"predecessor-version":[{"id":2892,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/1360\/revisions\/2892"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}